Home / 112,266.48-154,927.70-76,518.92

Finding the Fourth Proportional to 112,266.48, 154,927.70 and 76,518.92

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Solution

The fourth proportional to 112,266.48, 154,927.70 and 76,518.92 is: 105,596.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,266.48 : 154,927.70 = 76,518.92 : x
  2. Step 2: Convert to fraction form
    112,266.48/154,927.70 = 76,518.92/x
  3. Step 3: Cross multiply
    112,266.48x = 154,927.70 × 76,518.92
  4. Step 4: Simplify right side
    112,266.48x = 11,854,900,282.08
  5. Step 5: Solve for x
    x = 11,854,900,282.08/112,266.48
  6. Step 6: Final answer
    x = 105,596.08

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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.