Home / 142,182.02-196,211.27-77,652.16

Finding the Fourth Proportional to 142,182.02, 196,211.27 and 77,652.16

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Solution

The fourth proportional to 142,182.02, 196,211.27 and 77,652.16 is: 107,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,182.02 : 196,211.27 = 77,652.16 : x
  2. Step 2: Convert to fraction form
    142,182.02/196,211.27 = 77,652.16/x
  3. Step 3: Cross multiply
    142,182.02x = 196,211.27 × 77,652.16
  4. Step 4: Simplify right side
    142,182.02x = 15,236,228,931.84
  5. Step 5: Solve for x
    x = 15,236,228,931.84/142,182.02
  6. Step 6: Final answer
    x = 107,160.03

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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.