Home / 112,545.23-155,331.54-64,826.24

Finding the Fourth Proportional to 112,545.23, 155,331.54 and 64,826.24

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Solution

The fourth proportional to 112,545.23, 155,331.54 and 64,826.24 is: 89,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,545.23 : 155,331.54 = 64,826.24 : x
  2. Step 2: Convert to fraction form
    112,545.23/155,331.54 = 64,826.24/x
  3. Step 3: Cross multiply
    112,545.23x = 155,331.54 × 64,826.24
  4. Step 4: Simplify right side
    112,545.23x = 10,069,558,914.95
  5. Step 5: Solve for x
    x = 10,069,558,914.95/112,545.23
  6. Step 6: Final answer
    x = 89,471.22

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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.