Home / 133,041.04-183,598.36-78,595

Finding the Fourth Proportional to 133,041.04, 183,598.36 and 78,595

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Solution

The fourth proportional to 133,041.04, 183,598.36 and 78,595 is: 108,462.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,041.04 : 183,598.36 = 78,595 : x
  2. Step 2: Convert to fraction form
    133,041.04/183,598.36 = 78,595/x
  3. Step 3: Cross multiply
    133,041.04x = 183,598.36 × 78,595
  4. Step 4: Simplify right side
    133,041.04x = 14,429,913,104.20
  5. Step 5: Solve for x
    x = 14,429,913,104.20/133,041.04
  6. Step 6: Final answer
    x = 108,462.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.