Home / 156,985.95-235,533.60-68,303.10

Finding the Fourth Proportional to 156,985.95, 235,533.60 and 68,303.10

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Solution

The fourth proportional to 156,985.95, 235,533.60 and 68,303.10 is: 102,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,985.95 : 235,533.60 = 68,303.10 : x
  2. Step 2: Convert to fraction form
    156,985.95/235,533.60 = 68,303.10/x
  3. Step 3: Cross multiply
    156,985.95x = 235,533.60 × 68,303.10
  4. Step 4: Simplify right side
    156,985.95x = 16,087,675,034.16
  5. Step 5: Solve for x
    x = 16,087,675,034.16/156,985.95
  6. Step 6: Final answer
    x = 102,478.44

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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.