Home / 156,830.40-235,303.20-63,345.60

Finding the Fourth Proportional to 156,830.40, 235,303.20 and 63,345.60

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Solution

The fourth proportional to 156,830.40, 235,303.20 and 63,345.60 is: 95,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,830.40 : 235,303.20 = 63,345.60 : x
  2. Step 2: Convert to fraction form
    156,830.40/235,303.20 = 63,345.60/x
  3. Step 3: Cross multiply
    156,830.40x = 235,303.20 × 63,345.60
  4. Step 4: Simplify right side
    156,830.40x = 14,905,422,385.92
  5. Step 5: Solve for x
    x = 14,905,422,385.92/156,830.40
  6. Step 6: Final answer
    x = 95,041.67

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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.