Home / 144,931.26-199,937.08-102,513.18

Finding the Fourth Proportional to 144,931.26, 199,937.08 and 102,513.18

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Solution

The fourth proportional to 144,931.26, 199,937.08 and 102,513.18 is: 141,420.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,931.26 : 199,937.08 = 102,513.18 : x
  2. Step 2: Convert to fraction form
    144,931.26/199,937.08 = 102,513.18/x
  3. Step 3: Cross multiply
    144,931.26x = 199,937.08 × 102,513.18
  4. Step 4: Simplify right side
    144,931.26x = 20,496,185,870.71
  5. Step 5: Solve for x
    x = 20,496,185,870.71/144,931.26
  6. Step 6: Final answer
    x = 141,420.05

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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.