Home / 112,010.33-154,595.40-64,294.85

Finding the Fourth Proportional to 112,010.33, 154,595.40 and 64,294.85

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Solution

The fourth proportional to 112,010.33, 154,595.40 and 64,294.85 is: 88,739.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,010.33 : 154,595.40 = 64,294.85 : x
  2. Step 2: Convert to fraction form
    112,010.33/154,595.40 = 64,294.85/x
  3. Step 3: Cross multiply
    112,010.33x = 154,595.40 × 64,294.85
  4. Step 4: Simplify right side
    112,010.33x = 9,939,688,053.69
  5. Step 5: Solve for x
    x = 9,939,688,053.69/112,010.33
  6. Step 6: Final answer
    x = 88,739.03

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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.