Home / 149,088.16-223,563.12-86,776.48

Finding the Fourth Proportional to 149,088.16, 223,563.12 and 86,776.48

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Solution

The fourth proportional to 149,088.16, 223,563.12 and 86,776.48 is: 130,124.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,088.16 : 223,563.12 = 86,776.48 : x
  2. Step 2: Convert to fraction form
    149,088.16/223,563.12 = 86,776.48/x
  3. Step 3: Cross multiply
    149,088.16x = 223,563.12 × 86,776.48
  4. Step 4: Simplify right side
    149,088.16x = 19,400,020,611.42
  5. Step 5: Solve for x
    x = 19,400,020,611.42/149,088.16
  6. Step 6: Final answer
    x = 130,124.49

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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.