Home / 127,298.21-175,677.09-70,709.59

Finding the Fourth Proportional to 127,298.21, 175,677.09 and 70,709.59

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Solution

The fourth proportional to 127,298.21, 175,677.09 and 70,709.59 is: 97,582.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,298.21 : 175,677.09 = 70,709.59 : x
  2. Step 2: Convert to fraction form
    127,298.21/175,677.09 = 70,709.59/x
  3. Step 3: Cross multiply
    127,298.21x = 175,677.09 × 70,709.59
  4. Step 4: Simplify right side
    127,298.21x = 12,422,054,127.91
  5. Step 5: Solve for x
    x = 12,422,054,127.91/127,298.21
  6. Step 6: Final answer
    x = 97,582.32

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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.