Home / 295,316.57-442,981.13-105,789.26

Finding the Fourth Proportional to 295,316.57, 442,981.13 and 105,789.26

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Solution

The fourth proportional to 295,316.57, 442,981.13 and 105,789.26 is: 158,686.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,316.57 : 442,981.13 = 105,789.26 : x
  2. Step 2: Convert to fraction form
    295,316.57/442,981.13 = 105,789.26/x
  3. Step 3: Cross multiply
    295,316.57x = 442,981.13 × 105,789.26
  4. Step 4: Simplify right side
    295,316.57x = 46,862,643,192.81
  5. Step 5: Solve for x
    x = 46,862,643,192.81/295,316.57
  6. Step 6: Final answer
    x = 158,686.13

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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.