Home / 142,132.02-212,964.72-48,586.74

Finding the Fourth Proportional to 142,132.02, 212,964.72 and 48,586.74

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Solution

The fourth proportional to 142,132.02, 212,964.72 and 48,586.74 is: 72,800.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,132.02 : 212,964.72 = 48,586.74 : x
  2. Step 2: Convert to fraction form
    142,132.02/212,964.72 = 48,586.74/x
  3. Step 3: Cross multiply
    142,132.02x = 212,964.72 × 48,586.74
  4. Step 4: Simplify right side
    142,132.02x = 10,347,261,479.81
  5. Step 5: Solve for x
    x = 10,347,261,479.81/142,132.02
  6. Step 6: Final answer
    x = 72,800.35

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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.