Home / 162,554.15-224,315.71-90,920.34

Finding the Fourth Proportional to 162,554.15, 224,315.71 and 90,920.34

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Solution

The fourth proportional to 162,554.15, 224,315.71 and 90,920.34 is: 125,465.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,554.15 : 224,315.71 = 90,920.34 : x
  2. Step 2: Convert to fraction form
    162,554.15/224,315.71 = 90,920.34/x
  3. Step 3: Cross multiply
    162,554.15x = 224,315.71 × 90,920.34
  4. Step 4: Simplify right side
    162,554.15x = 20,394,860,393.24
  5. Step 5: Solve for x
    x = 20,394,860,393.24/162,554.15
  6. Step 6: Final answer
    x = 125,465.02

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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.