Home / 156,977.60-235,466.40-139,870.40

Finding the Fourth Proportional to 156,977.60, 235,466.40 and 139,870.40

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Solution

The fourth proportional to 156,977.60, 235,466.40 and 139,870.40 is: 209,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,977.60 : 235,466.40 = 139,870.40 : x
  2. Step 2: Convert to fraction form
    156,977.60/235,466.40 = 139,870.40/x
  3. Step 3: Cross multiply
    156,977.60x = 235,466.40 × 139,870.40
  4. Step 4: Simplify right side
    156,977.60x = 32,934,779,554.56
  5. Step 5: Solve for x
    x = 32,934,779,554.56/156,977.60
  6. Step 6: Final answer
    x = 209,805.60

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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.