Home / 157,685.04-217,603.77-86,064.44

Finding the Fourth Proportional to 157,685.04, 217,603.77 and 86,064.44

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Solution

The fourth proportional to 157,685.04, 217,603.77 and 86,064.44 is: 118,768.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,685.04 : 217,603.77 = 86,064.44 : x
  2. Step 2: Convert to fraction form
    157,685.04/217,603.77 = 86,064.44/x
  3. Step 3: Cross multiply
    157,685.04x = 217,603.77 × 86,064.44
  4. Step 4: Simplify right side
    157,685.04x = 18,727,945,518.92
  5. Step 5: Solve for x
    x = 18,727,945,518.92/157,685.04
  6. Step 6: Final answer
    x = 118,768.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.