Home / 118,318.02-163,277.62-64,602.86

Finding the Fourth Proportional to 118,318.02, 163,277.62 and 64,602.86

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Solution

The fourth proportional to 118,318.02, 163,277.62 and 64,602.86 is: 89,151.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,318.02 : 163,277.62 = 64,602.86 : x
  2. Step 2: Convert to fraction form
    118,318.02/163,277.62 = 64,602.86/x
  3. Step 3: Cross multiply
    118,318.02x = 163,277.62 × 64,602.86
  4. Step 4: Simplify right side
    118,318.02x = 10,548,201,225.99
  5. Step 5: Solve for x
    x = 10,548,201,225.99/118,318.02
  6. Step 6: Final answer
    x = 89,151.27

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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.