Home / 236,285.10-354,427.65-86,475.60

Finding the Fourth Proportional to 236,285.10, 354,427.65 and 86,475.60

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Solution

The fourth proportional to 236,285.10, 354,427.65 and 86,475.60 is: 129,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,285.10 : 354,427.65 = 86,475.60 : x
  2. Step 2: Convert to fraction form
    236,285.10/354,427.65 = 86,475.60/x
  3. Step 3: Cross multiply
    236,285.10x = 354,427.65 × 86,475.60
  4. Step 4: Simplify right side
    236,285.10x = 30,649,343,690.34
  5. Step 5: Solve for x
    x = 30,649,343,690.34/236,285.10
  6. Step 6: Final answer
    x = 129,713.40

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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.