Home / 180,612.18-249,366.60-112,732.56

Finding the Fourth Proportional to 180,612.18, 249,366.60 and 112,732.56

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Solution

The fourth proportional to 180,612.18, 249,366.60 and 112,732.56 is: 155,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,612.18 : 249,366.60 = 112,732.56 : x
  2. Step 2: Convert to fraction form
    180,612.18/249,366.60 = 112,732.56/x
  3. Step 3: Cross multiply
    180,612.18x = 249,366.60 × 112,732.56
  4. Step 4: Simplify right side
    180,612.18x = 28,111,735,196.50
  5. Step 5: Solve for x
    x = 28,111,735,196.50/180,612.18
  6. Step 6: Final answer
    x = 155,646.95

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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.