Home / 127,897.16-176,511.24-81,362.30

Finding the Fourth Proportional to 127,897.16, 176,511.24 and 81,362.30

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Solution

The fourth proportional to 127,897.16, 176,511.24 and 81,362.30 is: 112,288.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,897.16 : 176,511.24 = 81,362.30 : x
  2. Step 2: Convert to fraction form
    127,897.16/176,511.24 = 81,362.30/x
  3. Step 3: Cross multiply
    127,897.16x = 176,511.24 × 81,362.30
  4. Step 4: Simplify right side
    127,897.16x = 14,361,360,903.53
  5. Step 5: Solve for x
    x = 14,361,360,903.53/127,897.16
  6. Step 6: Final answer
    x = 112,288.35

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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.