Home / 158,922.77-219,312.60-86,325.08

Finding the Fourth Proportional to 158,922.77, 219,312.60 and 86,325.08

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Solution

The fourth proportional to 158,922.77, 219,312.60 and 86,325.08 is: 119,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,922.77 : 219,312.60 = 86,325.08 : x
  2. Step 2: Convert to fraction form
    158,922.77/219,312.60 = 86,325.08/x
  3. Step 3: Cross multiply
    158,922.77x = 219,312.60 × 86,325.08
  4. Step 4: Simplify right side
    158,922.77x = 18,932,177,740.01
  5. Step 5: Solve for x
    x = 18,932,177,740.01/158,922.77
  6. Step 6: Final answer
    x = 119,128.16

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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.