Home / 156,765.06-235,152.05-38,436.30

Finding the Fourth Proportional to 156,765.06, 235,152.05 and 38,436.30

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Solution

The fourth proportional to 156,765.06, 235,152.05 and 38,436.30 is: 57,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,765.06 : 235,152.05 = 38,436.30 : x
  2. Step 2: Convert to fraction form
    156,765.06/235,152.05 = 38,436.30/x
  3. Step 3: Cross multiply
    156,765.06x = 235,152.05 × 38,436.30
  4. Step 4: Simplify right side
    156,765.06x = 9,038,374,547.23
  5. Step 5: Solve for x
    x = 9,038,374,547.23/156,765.06
  6. Step 6: Final answer
    x = 57,655.54

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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.