Home / 229,176.68-316,259.01-127,196.21

Finding the Fourth Proportional to 229,176.68, 316,259.01 and 127,196.21

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Solution

The fourth proportional to 229,176.68, 316,259.01 and 127,196.21 is: 175,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,176.68 : 316,259.01 = 127,196.21 : x
  2. Step 2: Convert to fraction form
    229,176.68/316,259.01 = 127,196.21/x
  3. Step 3: Cross multiply
    229,176.68x = 316,259.01 × 127,196.21
  4. Step 4: Simplify right side
    229,176.68x = 40,226,947,450.35
  5. Step 5: Solve for x
    x = 40,226,947,450.35/229,176.68
  6. Step 6: Final answer
    x = 175,528.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.