Home / 127,945.02-176,572.77-74,230.05

Finding the Fourth Proportional to 127,945.02, 176,572.77 and 74,230.05

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Solution

The fourth proportional to 127,945.02, 176,572.77 and 74,230.05 is: 102,442.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,945.02 : 176,572.77 = 74,230.05 : x
  2. Step 2: Convert to fraction form
    127,945.02/176,572.77 = 74,230.05/x
  3. Step 3: Cross multiply
    127,945.02x = 176,572.77 × 74,230.05
  4. Step 4: Simplify right side
    127,945.02x = 13,107,005,545.74
  5. Step 5: Solve for x
    x = 13,107,005,545.74/127,945.02
  6. Step 6: Final answer
    x = 102,442.48

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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.