Home / 282,624.12-390,019.88-153,561.74

Finding the Fourth Proportional to 282,624.12, 390,019.88 and 153,561.74

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Solution

The fourth proportional to 282,624.12, 390,019.88 and 153,561.74 is: 211,914.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,624.12 : 390,019.88 = 153,561.74 : x
  2. Step 2: Convert to fraction form
    282,624.12/390,019.88 = 153,561.74/x
  3. Step 3: Cross multiply
    282,624.12x = 390,019.88 × 153,561.74
  4. Step 4: Simplify right side
    282,624.12x = 59,892,131,407.39
  5. Step 5: Solve for x
    x = 59,892,131,407.39/282,624.12
  6. Step 6: Final answer
    x = 211,914.44

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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.