Home / 156,588.01-234,860.14-66,666.77

Finding the Fourth Proportional to 156,588.01, 234,860.14 and 66,666.77

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Solution

The fourth proportional to 156,588.01, 234,860.14 and 66,666.77 is: 99,990.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,588.01 : 234,860.14 = 66,666.77 : x
  2. Step 2: Convert to fraction form
    156,588.01/234,860.14 = 66,666.77/x
  3. Step 3: Cross multiply
    156,588.01x = 234,860.14 × 66,666.77
  4. Step 4: Simplify right side
    156,588.01x = 15,657,366,935.55
  5. Step 5: Solve for x
    x = 15,657,366,935.55/156,588.01
  6. Step 6: Final answer
    x = 99,990.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.