Home / 112,280.49-154,947.48-61,294.35

Finding the Fourth Proportional to 112,280.49, 154,947.48 and 61,294.35

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Solution

The fourth proportional to 112,280.49, 154,947.48 and 61,294.35 is: 84,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,280.49 : 154,947.48 = 61,294.35 : x
  2. Step 2: Convert to fraction form
    112,280.49/154,947.48 = 61,294.35/x
  3. Step 3: Cross multiply
    112,280.49x = 154,947.48 × 61,294.35
  4. Step 4: Simplify right side
    112,280.49x = 9,497,405,070.74
  5. Step 5: Solve for x
    x = 9,497,405,070.74/112,280.49
  6. Step 6: Final answer
    x = 84,586.42

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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.