Home / 118,600.90-163,666.11-70,205.32

Finding the Fourth Proportional to 118,600.90, 163,666.11 and 70,205.32

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Solution

The fourth proportional to 118,600.90, 163,666.11 and 70,205.32 is: 96,881.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,600.90 : 163,666.11 = 70,205.32 : x
  2. Step 2: Convert to fraction form
    118,600.90/163,666.11 = 70,205.32/x
  3. Step 3: Cross multiply
    118,600.90x = 163,666.11 × 70,205.32
  4. Step 4: Simplify right side
    118,600.90x = 11,490,231,625.71
  5. Step 5: Solve for x
    x = 11,490,231,625.71/118,600.90
  6. Step 6: Final answer
    x = 96,881.49

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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.