Home / 118,612.02-163,686.63-64,901.73

Finding the Fourth Proportional to 118,612.02, 163,686.63 and 64,901.73

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Solution

The fourth proportional to 118,612.02, 163,686.63 and 64,901.73 is: 89,565.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,612.02 : 163,686.63 = 64,901.73 : x
  2. Step 2: Convert to fraction form
    118,612.02/163,686.63 = 64,901.73/x
  3. Step 3: Cross multiply
    118,612.02x = 163,686.63 × 64,901.73
  4. Step 4: Simplify right side
    118,612.02x = 10,623,544,646.44
  5. Step 5: Solve for x
    x = 10,623,544,646.44/118,612.02
  6. Step 6: Final answer
    x = 89,565.50

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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.