Home / 105,030.04-157,544.25-26,143.74

Finding the Fourth Proportional to 105,030.04, 157,544.25 and 26,143.74

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Solution

The fourth proportional to 105,030.04, 157,544.25 and 26,143.74 is: 39,215.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,030.04 : 157,544.25 = 26,143.74 : x
  2. Step 2: Convert to fraction form
    105,030.04/157,544.25 = 26,143.74/x
  3. Step 3: Cross multiply
    105,030.04x = 157,544.25 × 26,143.74
  4. Step 4: Simplify right side
    105,030.04x = 4,118,795,910.50
  5. Step 5: Solve for x
    x = 4,118,795,910.50/105,030.04
  6. Step 6: Final answer
    x = 39,215.41

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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.