Home / 156,106.95-234,253.85-67,360.47

Finding the Fourth Proportional to 156,106.95, 234,253.85 and 67,360.47

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Solution

The fourth proportional to 156,106.95, 234,253.85 and 67,360.47 is: 101,081.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,106.95 : 234,253.85 = 67,360.47 : x
  2. Step 2: Convert to fraction form
    156,106.95/234,253.85 = 67,360.47/x
  3. Step 3: Cross multiply
    156,106.95x = 234,253.85 × 67,360.47
  4. Step 4: Simplify right side
    156,106.95x = 15,779,448,598.96
  5. Step 5: Solve for x
    x = 15,779,448,598.96/156,106.95
  6. Step 6: Final answer
    x = 101,081.01

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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.