Home / 189,849.60-262,166.40-152,398.08

Finding the Fourth Proportional to 189,849.60, 262,166.40 and 152,398.08

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Solution

The fourth proportional to 189,849.60, 262,166.40 and 152,398.08 is: 210,448.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,849.60 : 262,166.40 = 152,398.08 : x
  2. Step 2: Convert to fraction form
    189,849.60/262,166.40 = 152,398.08/x
  3. Step 3: Cross multiply
    189,849.60x = 262,166.40 × 152,398.08
  4. Step 4: Simplify right side
    189,849.60x = 39,953,656,000.51
  5. Step 5: Solve for x
    x = 39,953,656,000.51/189,849.60
  6. Step 6: Final answer
    x = 210,448.99

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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.