Home / 152,953.86-211,017.38-112,763.18

Finding the Fourth Proportional to 152,953.86, 211,017.38 and 112,763.18

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Solution

The fourth proportional to 152,953.86, 211,017.38 and 112,763.18 is: 155,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,953.86 : 211,017.38 = 112,763.18 : x
  2. Step 2: Convert to fraction form
    152,953.86/211,017.38 = 112,763.18/x
  3. Step 3: Cross multiply
    152,953.86x = 211,017.38 × 112,763.18
  4. Step 4: Simplify right side
    152,953.86x = 23,794,990,804.07
  5. Step 5: Solve for x
    x = 23,794,990,804.07/152,953.86
  6. Step 6: Final answer
    x = 155,569.73

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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.