Home / 156,681.70-235,061.43-73,478.50

Finding the Fourth Proportional to 156,681.70, 235,061.43 and 73,478.50

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Solution

The fourth proportional to 156,681.70, 235,061.43 and 73,478.50 is: 110,235.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,681.70 : 235,061.43 = 73,478.50 : x
  2. Step 2: Convert to fraction form
    156,681.70/235,061.43 = 73,478.50/x
  3. Step 3: Cross multiply
    156,681.70x = 235,061.43 × 73,478.50
  4. Step 4: Simplify right side
    156,681.70x = 17,271,961,284.26
  5. Step 5: Solve for x
    x = 17,271,961,284.26/156,681.70
  6. Step 6: Final answer
    x = 110,235.98

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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.