Home / 112,869.08-169,514.54-99,365.06

Finding the Fourth Proportional to 112,869.08, 169,514.54 and 99,365.06

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Solution

The fourth proportional to 112,869.08, 169,514.54 and 99,365.06 is: 149,233.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,869.08 : 169,514.54 = 99,365.06 : x
  2. Step 2: Convert to fraction form
    112,869.08/169,514.54 = 99,365.06/x
  3. Step 3: Cross multiply
    112,869.08x = 169,514.54 × 99,365.06
  4. Step 4: Simplify right side
    112,869.08x = 16,843,822,737.55
  5. Step 5: Solve for x
    x = 16,843,822,737.55/112,869.08
  6. Step 6: Final answer
    x = 149,233.28

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1.5x scale

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.