Home / 147,030.90-220,108.95-97,167.30

Finding the Fourth Proportional to 147,030.90, 220,108.95 and 97,167.30

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Solution

The fourth proportional to 147,030.90, 220,108.95 and 97,167.30 is: 145,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,030.90 : 220,108.95 = 97,167.30 : x
  2. Step 2: Convert to fraction form
    147,030.90/220,108.95 = 97,167.30/x
  3. Step 3: Cross multiply
    147,030.90x = 220,108.95 × 97,167.30
  4. Step 4: Simplify right side
    147,030.90x = 21,387,392,377.34
  5. Step 5: Solve for x
    x = 21,387,392,377.34/147,030.90
  6. Step 6: Final answer
    x = 145,461.89

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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.