Home / 151,038.90-208,381.77-93,657.60

Finding the Fourth Proportional to 151,038.90, 208,381.77 and 93,657.60

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Solution

The fourth proportional to 151,038.90, 208,381.77 and 93,657.60 is: 129,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,038.90 : 208,381.77 = 93,657.60 : x
  2. Step 2: Convert to fraction form
    151,038.90/208,381.77 = 93,657.60/x
  3. Step 3: Cross multiply
    151,038.90x = 208,381.77 × 93,657.60
  4. Step 4: Simplify right side
    151,038.90x = 19,516,536,461.95
  5. Step 5: Solve for x
    x = 19,516,536,461.95/151,038.90
  6. Step 6: Final answer
    x = 129,215.30

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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.