Home / 157,345.78-235,967.63-52,136.50

Finding the Fourth Proportional to 157,345.78, 235,967.63 and 52,136.50

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Solution

The fourth proportional to 157,345.78, 235,967.63 and 52,136.50 is: 78,187.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,345.78 : 235,967.63 = 52,136.50 : x
  2. Step 2: Convert to fraction form
    157,345.78/235,967.63 = 52,136.50/x
  3. Step 3: Cross multiply
    157,345.78x = 235,967.63 × 52,136.50
  4. Step 4: Simplify right side
    157,345.78x = 12,302,526,341.50
  5. Step 5: Solve for x
    x = 12,302,526,341.50/157,345.78
  6. Step 6: Final answer
    x = 78,187.84

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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.