Home / 105,284.17-157,942.65-63,154.34

Finding the Fourth Proportional to 105,284.17, 157,942.65 and 63,154.34

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Solution

The fourth proportional to 105,284.17, 157,942.65 and 63,154.34 is: 94,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,284.17 : 157,942.65 = 63,154.34 : x
  2. Step 2: Convert to fraction form
    105,284.17/157,942.65 = 63,154.34/x
  3. Step 3: Cross multiply
    105,284.17x = 157,942.65 × 63,154.34
  4. Step 4: Simplify right side
    105,284.17x = 9,974,764,391.19
  5. Step 5: Solve for x
    x = 9,974,764,391.19/105,284.17
  6. Step 6: Final answer
    x = 94,741.35

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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.