Home / 144,440.61-199,378.15-99,268.13

Finding the Fourth Proportional to 144,440.61, 199,378.15 and 99,268.13

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Solution

The fourth proportional to 144,440.61, 199,378.15 and 99,268.13 is: 137,024.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,440.61 : 199,378.15 = 99,268.13 : x
  2. Step 2: Convert to fraction form
    144,440.61/199,378.15 = 99,268.13/x
  3. Step 3: Cross multiply
    144,440.61x = 199,378.15 × 99,268.13
  4. Step 4: Simplify right side
    144,440.61x = 19,791,896,113.36
  5. Step 5: Solve for x
    x = 19,791,896,113.36/144,440.61
  6. Step 6: Final answer
    x = 137,024.46

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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.