Home / 127,746.28-176,291.70-74,035

Finding the Fourth Proportional to 127,746.28, 176,291.70 and 74,035

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Solution

The fourth proportional to 127,746.28, 176,291.70 and 74,035 is: 102,169.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,746.28 : 176,291.70 = 74,035 : x
  2. Step 2: Convert to fraction form
    127,746.28/176,291.70 = 74,035/x
  3. Step 3: Cross multiply
    127,746.28x = 176,291.70 × 74,035
  4. Step 4: Simplify right side
    127,746.28x = 13,051,756,009.50
  5. Step 5: Solve for x
    x = 13,051,756,009.50/127,746.28
  6. Step 6: Final answer
    x = 102,169.36

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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.