Home / 127,681.08-176,151.96-73,946.48

Finding the Fourth Proportional to 127,681.08, 176,151.96 and 73,946.48

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Solution

The fourth proportional to 127,681.08, 176,151.96 and 73,946.48 is: 102,018.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,681.08 : 176,151.96 = 73,946.48 : x
  2. Step 2: Convert to fraction form
    127,681.08/176,151.96 = 73,946.48/x
  3. Step 3: Cross multiply
    127,681.08x = 176,151.96 × 73,946.48
  4. Step 4: Simplify right side
    127,681.08x = 13,025,817,387.10
  5. Step 5: Solve for x
    x = 13,025,817,387.10/127,681.08
  6. Step 6: Final answer
    x = 102,018.38

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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.