Home / 112,737.06-155,681.73-84,393.54

Finding the Fourth Proportional to 112,737.06, 155,681.73 and 84,393.54

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Solution

The fourth proportional to 112,737.06, 155,681.73 and 84,393.54 is: 116,541.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,737.06 : 155,681.73 = 84,393.54 : x
  2. Step 2: Convert to fraction form
    112,737.06/155,681.73 = 84,393.54/x
  3. Step 3: Cross multiply
    112,737.06x = 155,681.73 × 84,393.54
  4. Step 4: Simplify right side
    112,737.06x = 13,138,532,308.02
  5. Step 5: Solve for x
    x = 13,138,532,308.02/112,737.06
  6. Step 6: Final answer
    x = 116,541.38

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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.