Home / 230,807.48-318,133.01-154,298.62

Finding the Fourth Proportional to 230,807.48, 318,133.01 and 154,298.62

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Solution

The fourth proportional to 230,807.48, 318,133.01 and 154,298.62 is: 212,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,807.48 : 318,133.01 = 154,298.62 : x
  2. Step 2: Convert to fraction form
    230,807.48/318,133.01 = 154,298.62/x
  3. Step 3: Cross multiply
    230,807.48x = 318,133.01 × 154,298.62
  4. Step 4: Simplify right side
    230,807.48x = 49,087,482,852.62
  5. Step 5: Solve for x
    x = 49,087,482,852.62/230,807.48
  6. Step 6: Final answer
    x = 212,677.18

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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.