Home / 148,312.04-204,670.19-80,328.74

Finding the Fourth Proportional to 148,312.04, 204,670.19 and 80,328.74

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Solution

The fourth proportional to 148,312.04, 204,670.19 and 80,328.74 is: 110,853.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,312.04 : 204,670.19 = 80,328.74 : x
  2. Step 2: Convert to fraction form
    148,312.04/204,670.19 = 80,328.74/x
  3. Step 3: Cross multiply
    148,312.04x = 204,670.19 × 80,328.74
  4. Step 4: Simplify right side
    148,312.04x = 16,440,897,053.27
  5. Step 5: Solve for x
    x = 16,440,897,053.27/148,312.04
  6. Step 6: Final answer
    x = 110,853.43

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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.