Home / 153,171.90-211,312.71-110,637.18

Finding the Fourth Proportional to 153,171.90, 211,312.71 and 110,637.18

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Solution

The fourth proportional to 153,171.90, 211,312.71 and 110,637.18 is: 152,632.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,171.90 : 211,312.71 = 110,637.18 : x
  2. Step 2: Convert to fraction form
    153,171.90/211,312.71 = 110,637.18/x
  3. Step 3: Cross multiply
    153,171.90x = 211,312.71 × 110,637.18
  4. Step 4: Simplify right side
    153,171.90x = 23,379,042,332.56
  5. Step 5: Solve for x
    x = 23,379,042,332.56/153,171.90
  6. Step 6: Final answer
    x = 152,632.71

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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.