Home / 136,624.55-203,578.63-121,718.93

Finding the Fourth Proportional to 136,624.55, 203,578.63 and 121,718.93

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Solution

The fourth proportional to 136,624.55, 203,578.63 and 121,718.93 is: 181,368.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,624.55 : 203,578.63 = 121,718.93 : x
  2. Step 2: Convert to fraction form
    136,624.55/203,578.63 = 121,718.93/x
  3. Step 3: Cross multiply
    136,624.55x = 203,578.63 × 121,718.93
  4. Step 4: Simplify right side
    136,624.55x = 24,779,371,692.28
  5. Step 5: Solve for x
    x = 24,779,371,692.28/136,624.55
  6. Step 6: Final answer
    x = 181,368.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.