Home / 170,393.61-235,140.10-92,869.93

Finding the Fourth Proportional to 170,393.61, 235,140.10 and 92,869.93

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Solution

The fourth proportional to 170,393.61, 235,140.10 and 92,869.93 is: 128,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,393.61 : 235,140.10 = 92,869.93 : x
  2. Step 2: Convert to fraction form
    170,393.61/235,140.10 = 92,869.93/x
  3. Step 3: Cross multiply
    170,393.61x = 235,140.10 × 92,869.93
  4. Step 4: Simplify right side
    170,393.61x = 21,837,444,395.02
  5. Step 5: Solve for x
    x = 21,837,444,395.02/170,393.61
  6. Step 6: Final answer
    x = 128,158.82

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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.