Home / 147,617.75-221,424.80-47,775.74

Finding the Fourth Proportional to 147,617.75, 221,424.80 and 47,775.74

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Solution

The fourth proportional to 147,617.75, 221,424.80 and 47,775.74 is: 71,663.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,617.75 : 221,424.80 = 47,775.74 : x
  2. Step 2: Convert to fraction form
    147,617.75/221,424.80 = 47,775.74/x
  3. Step 3: Cross multiply
    147,617.75x = 221,424.80 × 47,775.74
  4. Step 4: Simplify right side
    147,617.75x = 10,578,732,328.35
  5. Step 5: Solve for x
    x = 10,578,732,328.35/147,617.75
  6. Step 6: Final answer
    x = 71,663.01

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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.