Home / 105,026.04-157,538.25-26,139.74

Finding the Fourth Proportional to 105,026.04, 157,538.25 and 26,139.74

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Solution

The fourth proportional to 105,026.04, 157,538.25 and 26,139.74 is: 39,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,026.04 : 157,538.25 = 26,139.74 : x
  2. Step 2: Convert to fraction form
    105,026.04/157,538.25 = 26,139.74/x
  3. Step 3: Cross multiply
    105,026.04x = 157,538.25 × 26,139.74
  4. Step 4: Simplify right side
    105,026.04x = 4,118,008,107.36
  5. Step 5: Solve for x
    x = 4,118,008,107.36/105,026.04
  6. Step 6: Final answer
    x = 39,209.40

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1.5x scale

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.