Home / 304,488.04-420,187.62-168,521.98

Finding the Fourth Proportional to 304,488.04, 420,187.62 and 168,521.98

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Solution

The fourth proportional to 304,488.04, 420,187.62 and 168,521.98 is: 232,557.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,488.04 : 420,187.62 = 168,521.98 : x
  2. Step 2: Convert to fraction form
    304,488.04/420,187.62 = 168,521.98/x
  3. Step 3: Cross multiply
    304,488.04x = 420,187.62 × 168,521.98
  4. Step 4: Simplify right side
    304,488.04x = 70,810,849,693.89
  5. Step 5: Solve for x
    x = 70,810,849,693.89/304,488.04
  6. Step 6: Final answer
    x = 232,557.08

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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.