Home / 176,166.49-243,008.08-112,432.45

Finding the Fourth Proportional to 176,166.49, 243,008.08 and 112,432.45

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Solution

The fourth proportional to 176,166.49, 243,008.08 and 112,432.45 is: 155,091.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,166.49 : 243,008.08 = 112,432.45 : x
  2. Step 2: Convert to fraction form
    176,166.49/243,008.08 = 112,432.45/x
  3. Step 3: Cross multiply
    176,166.49x = 243,008.08 × 112,432.45
  4. Step 4: Simplify right side
    176,166.49x = 27,321,993,804.20
  5. Step 5: Solve for x
    x = 27,321,993,804.20/176,166.49
  6. Step 6: Final answer
    x = 155,091.89

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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.