Home / 145,096.13-200,326.02-99,759.62

Finding the Fourth Proportional to 145,096.13, 200,326.02 and 99,759.62

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Solution

The fourth proportional to 145,096.13, 200,326.02 and 99,759.62 is: 137,732.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,096.13 : 200,326.02 = 99,759.62 : x
  2. Step 2: Convert to fraction form
    145,096.13/200,326.02 = 99,759.62/x
  3. Step 3: Cross multiply
    145,096.13x = 200,326.02 × 99,759.62
  4. Step 4: Simplify right side
    145,096.13x = 19,984,447,631.31
  5. Step 5: Solve for x
    x = 19,984,447,631.31/145,096.13
  6. Step 6: Final answer
    x = 137,732.46

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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.