Home / 124,875.60-187,313.40-124,000.80

Finding the Fourth Proportional to 124,875.60, 187,313.40 and 124,000.80

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Solution

The fourth proportional to 124,875.60, 187,313.40 and 124,000.80 is: 186,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,875.60 : 187,313.40 = 124,000.80 : x
  2. Step 2: Convert to fraction form
    124,875.60/187,313.40 = 124,000.80/x
  3. Step 3: Cross multiply
    124,875.60x = 187,313.40 × 124,000.80
  4. Step 4: Simplify right side
    124,875.60x = 23,227,011,450.72
  5. Step 5: Solve for x
    x = 23,227,011,450.72/124,875.60
  6. Step 6: Final answer
    x = 186,001.20

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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.