Home / 145,599.02-200,910.15-81,935.18

Finding the Fourth Proportional to 145,599.02, 200,910.15 and 81,935.18

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Solution

The fourth proportional to 145,599.02, 200,910.15 and 81,935.18 is: 113,061.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,599.02 : 200,910.15 = 81,935.18 : x
  2. Step 2: Convert to fraction form
    145,599.02/200,910.15 = 81,935.18/x
  3. Step 3: Cross multiply
    145,599.02x = 200,910.15 × 81,935.18
  4. Step 4: Simplify right side
    145,599.02x = 16,461,609,304.08
  5. Step 5: Solve for x
    x = 16,461,609,304.08/145,599.02
  6. Step 6: Final answer
    x = 113,061.26

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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.