Home / 162,384.45-224,081.49-89,783.13

Finding the Fourth Proportional to 162,384.45, 224,081.49 and 89,783.13

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Solution

The fourth proportional to 162,384.45, 224,081.49 and 89,783.13 is: 123,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,384.45 : 224,081.49 = 89,783.13 : x
  2. Step 2: Convert to fraction form
    162,384.45/224,081.49 = 89,783.13/x
  3. Step 3: Cross multiply
    162,384.45x = 224,081.49 × 89,783.13
  4. Step 4: Simplify right side
    162,384.45x = 20,118,737,547.26
  5. Step 5: Solve for x
    x = 20,118,737,547.26/162,384.45
  6. Step 6: Final answer
    x = 123,895.72

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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.