Home / 357,989.17-536,966.73-105,259.45

Finding the Fourth Proportional to 357,989.17, 536,966.73 and 105,259.45

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Solution

The fourth proportional to 357,989.17, 536,966.73 and 105,259.45 is: 157,884.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,989.17 : 536,966.73 = 105,259.45 : x
  2. Step 2: Convert to fraction form
    357,989.17/536,966.73 = 105,259.45/x
  3. Step 3: Cross multiply
    357,989.17x = 536,966.73 × 105,259.45
  4. Step 4: Simplify right side
    357,989.17x = 56,520,822,668.10
  5. Step 5: Solve for x
    x = 56,520,822,668.10/357,989.17
  6. Step 6: Final answer
    x = 157,884.17

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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.