Home / 154,526.61-231,752.45-42,207.35

Finding the Fourth Proportional to 154,526.61, 231,752.45 and 42,207.35

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Solution

The fourth proportional to 154,526.61, 231,752.45 and 42,207.35 is: 63,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,526.61 : 231,752.45 = 42,207.35 : x
  2. Step 2: Convert to fraction form
    154,526.61/231,752.45 = 42,207.35/x
  3. Step 3: Cross multiply
    154,526.61x = 231,752.45 × 42,207.35
  4. Step 4: Simplify right side
    154,526.61x = 9,781,657,455.41
  5. Step 5: Solve for x
    x = 9,781,657,455.41/154,526.61
  6. Step 6: Final answer
    x = 63,300.80

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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.