Home / 127,564.32-176,044.08-70,976.16

Finding the Fourth Proportional to 127,564.32, 176,044.08 and 70,976.16

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Solution

The fourth proportional to 127,564.32, 176,044.08 and 70,976.16 is: 97,950.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,564.32 : 176,044.08 = 70,976.16 : x
  2. Step 2: Convert to fraction form
    127,564.32/176,044.08 = 70,976.16/x
  3. Step 3: Cross multiply
    127,564.32x = 176,044.08 × 70,976.16
  4. Step 4: Simplify right side
    127,564.32x = 12,494,932,789.13
  5. Step 5: Solve for x
    x = 12,494,932,789.13/127,564.32
  6. Step 6: Final answer
    x = 97,950.06

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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.