Home / 127,841.48-176,427.28-71,253.26

Finding the Fourth Proportional to 127,841.48, 176,427.28 and 71,253.26

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Solution

The fourth proportional to 127,841.48, 176,427.28 and 71,253.26 is: 98,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,841.48 : 176,427.28 = 71,253.26 : x
  2. Step 2: Convert to fraction form
    127,841.48/176,427.28 = 71,253.26/x
  3. Step 3: Cross multiply
    127,841.48x = 176,427.28 × 71,253.26
  4. Step 4: Simplify right side
    127,841.48x = 12,571,018,852.93
  5. Step 5: Solve for x
    x = 12,571,018,852.93/127,841.48
  6. Step 6: Final answer
    x = 98,332.86

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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.