Home / 158,885.81-238,328.34-99,762.96

Finding the Fourth Proportional to 158,885.81, 238,328.34 and 99,762.96

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Solution

The fourth proportional to 158,885.81, 238,328.34 and 99,762.96 is: 149,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,885.81 : 238,328.34 = 99,762.96 : x
  2. Step 2: Convert to fraction form
    158,885.81/238,328.34 = 99,762.96/x
  3. Step 3: Cross multiply
    158,885.81x = 238,328.34 × 99,762.96
  4. Step 4: Simplify right side
    158,885.81x = 23,776,340,650.29
  5. Step 5: Solve for x
    x = 23,776,340,650.29/158,885.81
  6. Step 6: Final answer
    x = 149,644.20

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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.