Home / 144,631.27-199,567.40-90,878.22

Finding the Fourth Proportional to 144,631.27, 199,567.40 and 90,878.22

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Solution

The fourth proportional to 144,631.27, 199,567.40 and 90,878.22 is: 125,397.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,631.27 : 199,567.40 = 90,878.22 : x
  2. Step 2: Convert to fraction form
    144,631.27/199,567.40 = 90,878.22/x
  3. Step 3: Cross multiply
    144,631.27x = 199,567.40 × 90,878.22
  4. Step 4: Simplify right side
    144,631.27x = 18,136,329,627.64
  5. Step 5: Solve for x
    x = 18,136,329,627.64/144,631.27
  6. Step 6: Final answer
    x = 125,397.01

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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.