Home / 157,485.15-236,060.61-77,410.19

Finding the Fourth Proportional to 157,485.15, 236,060.61 and 77,410.19

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Solution

The fourth proportional to 157,485.15, 236,060.61 and 77,410.19 is: 116,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,485.15 : 236,060.61 = 77,410.19 : x
  2. Step 2: Convert to fraction form
    157,485.15/236,060.61 = 77,410.19/x
  3. Step 3: Cross multiply
    157,485.15x = 236,060.61 × 77,410.19
  4. Step 4: Simplify right side
    157,485.15x = 18,273,495,491.31
  5. Step 5: Solve for x
    x = 18,273,495,491.31/157,485.15
  6. Step 6: Final answer
    x = 116,033.13

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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.