Home / 185,038.20-277,557.30-66,713.40

Finding the Fourth Proportional to 185,038.20, 277,557.30 and 66,713.40

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Solution

The fourth proportional to 185,038.20, 277,557.30 and 66,713.40 is: 100,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,038.20 : 277,557.30 = 66,713.40 : x
  2. Step 2: Convert to fraction form
    185,038.20/277,557.30 = 66,713.40/x
  3. Step 3: Cross multiply
    185,038.20x = 277,557.30 × 66,713.40
  4. Step 4: Simplify right side
    185,038.20x = 18,516,791,177.82
  5. Step 5: Solve for x
    x = 18,516,791,177.82/185,038.20
  6. Step 6: Final answer
    x = 100,070.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.