Home / 145,861.47-218,878.29-61,616.16

Finding the Fourth Proportional to 145,861.47, 218,878.29 and 61,616.16

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Solution

The fourth proportional to 145,861.47, 218,878.29 and 61,616.16 is: 92,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,861.47 : 218,878.29 = 61,616.16 : x
  2. Step 2: Convert to fraction form
    145,861.47/218,878.29 = 61,616.16/x
  3. Step 3: Cross multiply
    145,861.47x = 218,878.29 × 61,616.16
  4. Step 4: Simplify right side
    145,861.47x = 13,486,439,737.17
  5. Step 5: Solve for x
    x = 13,486,439,737.17/145,861.47
  6. Step 6: Final answer
    x = 92,460.60

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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.