Home / 105,688.34-158,538.08-26,803.24

Finding the Fourth Proportional to 105,688.34, 158,538.08 and 26,803.24

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Solution

The fourth proportional to 105,688.34, 158,538.08 and 26,803.24 is: 40,206.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,688.34 : 158,538.08 = 26,803.24 : x
  2. Step 2: Convert to fraction form
    105,688.34/158,538.08 = 26,803.24/x
  3. Step 3: Cross multiply
    105,688.34x = 158,538.08 × 26,803.24
  4. Step 4: Simplify right side
    105,688.34x = 4,249,334,207.38
  5. Step 5: Solve for x
    x = 4,249,334,207.38/105,688.34
  6. Step 6: Final answer
    x = 40,206.27

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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.