Home / 158,174.07-218,280.22-86,554.10

Finding the Fourth Proportional to 158,174.07, 218,280.22 and 86,554.10

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Solution

The fourth proportional to 158,174.07, 218,280.22 and 86,554.10 is: 119,444.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,174.07 : 218,280.22 = 86,554.10 : x
  2. Step 2: Convert to fraction form
    158,174.07/218,280.22 = 86,554.10/x
  3. Step 3: Cross multiply
    158,174.07x = 218,280.22 × 86,554.10
  4. Step 4: Simplify right side
    158,174.07x = 18,893,048,319.22
  5. Step 5: Solve for x
    x = 18,893,048,319.22/158,174.07
  6. Step 6: Final answer
    x = 119,444.66

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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.