Home / 119,040.18-164,280.20-65,327.13

Finding the Fourth Proportional to 119,040.18, 164,280.20 and 65,327.13

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Solution

The fourth proportional to 119,040.18, 164,280.20 and 65,327.13 is: 90,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,040.18 : 164,280.20 = 65,327.13 : x
  2. Step 2: Convert to fraction form
    119,040.18/164,280.20 = 65,327.13/x
  3. Step 3: Cross multiply
    119,040.18x = 164,280.20 × 65,327.13
  4. Step 4: Simplify right side
    119,040.18x = 10,731,953,981.83
  5. Step 5: Solve for x
    x = 10,731,953,981.83/119,040.18
  6. Step 6: Final answer
    x = 90,154.05

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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.