Home / 112,225.23-154,874.57-61,240.77

Finding the Fourth Proportional to 112,225.23, 154,874.57 and 61,240.77

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Solution

The fourth proportional to 112,225.23, 154,874.57 and 61,240.77 is: 84,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,225.23 : 154,874.57 = 61,240.77 : x
  2. Step 2: Convert to fraction form
    112,225.23/154,874.57 = 61,240.77/x
  3. Step 3: Cross multiply
    112,225.23x = 154,874.57 × 61,240.77
  4. Step 4: Simplify right side
    112,225.23x = 9,484,637,614.02
  5. Step 5: Solve for x
    x = 9,484,637,614.02/112,225.23
  6. Step 6: Final answer
    x = 84,514.31

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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.