Home / 112,117.42-155,389.91-110,017.90

Finding the Fourth Proportional to 112,117.42, 155,389.91 and 110,017.90

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Solution

The fourth proportional to 112,117.42, 155,389.91 and 110,017.90 is: 152,480.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,117.42 : 155,389.91 = 110,017.90 : x
  2. Step 2: Convert to fraction form
    112,117.42/155,389.91 = 110,017.90/x
  3. Step 3: Cross multiply
    112,117.42x = 155,389.91 × 110,017.90
  4. Step 4: Simplify right side
    112,117.42x = 17,095,671,465.96
  5. Step 5: Solve for x
    x = 17,095,671,465.96/112,117.42
  6. Step 6: Final answer
    x = 152,480.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.