Home / 155,557.15-233,384.16-55,718.21

Finding the Fourth Proportional to 155,557.15, 233,384.16 and 55,718.21

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Solution

The fourth proportional to 155,557.15, 233,384.16 and 55,718.21 is: 83,594.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,557.15 : 233,384.16 = 55,718.21 : x
  2. Step 2: Convert to fraction form
    155,557.15/233,384.16 = 55,718.21/x
  3. Step 3: Cross multiply
    155,557.15x = 233,384.16 × 55,718.21
  4. Step 4: Simplify right side
    155,557.15x = 13,003,746,470.63
  5. Step 5: Solve for x
    x = 13,003,746,470.63/155,557.15
  6. Step 6: Final answer
    x = 83,594.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.