Home / 118,528.48-163,569.36-67,539.76

Finding the Fourth Proportional to 118,528.48, 163,569.36 and 67,539.76

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Solution

The fourth proportional to 118,528.48, 163,569.36 and 67,539.76 is: 93,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,528.48 : 163,569.36 = 67,539.76 : x
  2. Step 2: Convert to fraction form
    118,528.48/163,569.36 = 67,539.76/x
  3. Step 3: Cross multiply
    118,528.48x = 163,569.36 × 67,539.76
  4. Step 4: Simplify right side
    118,528.48x = 11,047,435,317.75
  5. Step 5: Solve for x
    x = 11,047,435,317.75/118,528.48
  6. Step 6: Final answer
    x = 93,204.90

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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.