Home / 158,123.60-236,720.28-98,779.40

Finding the Fourth Proportional to 158,123.60, 236,720.28 and 98,779.40

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Solution

The fourth proportional to 158,123.60, 236,720.28 and 98,779.40 is: 147,878.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,123.60 : 236,720.28 = 98,779.40 : x
  2. Step 2: Convert to fraction form
    158,123.60/236,720.28 = 98,779.40/x
  3. Step 3: Cross multiply
    158,123.60x = 236,720.28 × 98,779.40
  4. Step 4: Simplify right side
    158,123.60x = 23,383,087,226.23
  5. Step 5: Solve for x
    x = 23,383,087,226.23/158,123.60
  6. Step 6: Final answer
    x = 147,878.54

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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.