Home / 118,480.32-163,505.98-70,761.19

Finding the Fourth Proportional to 118,480.32, 163,505.98 and 70,761.19

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Solution

The fourth proportional to 118,480.32, 163,505.98 and 70,761.19 is: 97,652.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,480.32 : 163,505.98 = 70,761.19 : x
  2. Step 2: Convert to fraction form
    118,480.32/163,505.98 = 70,761.19/x
  3. Step 3: Cross multiply
    118,480.32x = 163,505.98 × 70,761.19
  4. Step 4: Simplify right side
    118,480.32x = 11,569,877,363.11
  5. Step 5: Solve for x
    x = 11,569,877,363.11/118,480.32
  6. Step 6: Final answer
    x = 97,652.32

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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.