Home / 105,031.56-157,547.04-26,145.72

Finding the Fourth Proportional to 105,031.56, 157,547.04 and 26,145.72

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Solution

The fourth proportional to 105,031.56, 157,547.04 and 26,145.72 is: 39,218.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,031.56 : 157,547.04 = 26,145.72 : x
  2. Step 2: Convert to fraction form
    105,031.56/157,547.04 = 26,145.72/x
  3. Step 3: Cross multiply
    105,031.56x = 157,547.04 × 26,145.72
  4. Step 4: Simplify right side
    105,031.56x = 4,119,180,794.67
  5. Step 5: Solve for x
    x = 4,119,180,794.67/105,031.56
  6. Step 6: Final answer
    x = 39,218.51

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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.