Home / 133,095.16-183,670.14-72,666.46

Finding the Fourth Proportional to 133,095.16, 183,670.14 and 72,666.46

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Solution

The fourth proportional to 133,095.16, 183,670.14 and 72,666.46 is: 100,279.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,095.16 : 183,670.14 = 72,666.46 : x
  2. Step 2: Convert to fraction form
    133,095.16/183,670.14 = 72,666.46/x
  3. Step 3: Cross multiply
    133,095.16x = 183,670.14 × 72,666.46
  4. Step 4: Simplify right side
    133,095.16x = 13,346,658,881.50
  5. Step 5: Solve for x
    x = 13,346,658,881.50/133,095.16
  6. Step 6: Final answer
    x = 100,279.07

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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.