Home / 118,328.85-163,294.70-67,345.46

Finding the Fourth Proportional to 118,328.85, 163,294.70 and 67,345.46

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Solution

The fourth proportional to 118,328.85, 163,294.70 and 67,345.46 is: 92,937.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,328.85 : 163,294.70 = 67,345.46 : x
  2. Step 2: Convert to fraction form
    118,328.85/163,294.70 = 67,345.46/x
  3. Step 3: Cross multiply
    118,328.85x = 163,294.70 × 67,345.46
  4. Step 4: Simplify right side
    118,328.85x = 10,997,157,204.20
  5. Step 5: Solve for x
    x = 10,997,157,204.20/118,328.85
  6. Step 6: Final answer
    x = 92,937.24

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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.