Home / 346,606.68-478,061.33-219,159.25

Finding the Fourth Proportional to 346,606.68, 478,061.33 and 219,159.25

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Solution

The fourth proportional to 346,606.68, 478,061.33 and 219,159.25 is: 302,277.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,606.68 : 478,061.33 = 219,159.25 : x
  2. Step 2: Convert to fraction form
    346,606.68/478,061.33 = 219,159.25/x
  3. Step 3: Cross multiply
    346,606.68x = 478,061.33 × 219,159.25
  4. Step 4: Simplify right side
    346,606.68x = 104,771,563,084.70
  5. Step 5: Solve for x
    x = 104,771,563,084.70/346,606.68
  6. Step 6: Final answer
    x = 302,277.97

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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.