Home / 130,612.35-180,247.02-73,264.40

Finding the Fourth Proportional to 130,612.35, 180,247.02 and 73,264.40

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Solution

The fourth proportional to 130,612.35, 180,247.02 and 73,264.40 is: 101,105.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,612.35 : 180,247.02 = 73,264.40 : x
  2. Step 2: Convert to fraction form
    130,612.35/180,247.02 = 73,264.40/x
  3. Step 3: Cross multiply
    130,612.35x = 180,247.02 × 73,264.40
  4. Step 4: Simplify right side
    130,612.35x = 13,205,689,684.15
  5. Step 5: Solve for x
    x = 13,205,689,684.15/130,612.35
  6. Step 6: Final answer
    x = 101,105.98

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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.