Home / 127,947.24-176,510.12-74,201.16

Finding the Fourth Proportional to 127,947.24, 176,510.12 and 74,201.16

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Solution

The fourth proportional to 127,947.24, 176,510.12 and 74,201.16 is: 102,364.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,947.24 : 176,510.12 = 74,201.16 : x
  2. Step 2: Convert to fraction form
    127,947.24/176,510.12 = 74,201.16/x
  3. Step 3: Cross multiply
    127,947.24x = 176,510.12 × 74,201.16
  4. Step 4: Simplify right side
    127,947.24x = 13,097,255,655.74
  5. Step 5: Solve for x
    x = 13,097,255,655.74/127,947.24
  6. Step 6: Final answer
    x = 102,364.50

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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.