Home / 189,547.98-261,569.34-104,663.22

Finding the Fourth Proportional to 189,547.98, 261,569.34 and 104,663.22

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Solution

The fourth proportional to 189,547.98, 261,569.34 and 104,663.22 is: 144,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,547.98 : 261,569.34 = 104,663.22 : x
  2. Step 2: Convert to fraction form
    189,547.98/261,569.34 = 104,663.22/x
  3. Step 3: Cross multiply
    189,547.98x = 261,569.34 × 104,663.22
  4. Step 4: Simplify right side
    189,547.98x = 27,376,689,377.67
  5. Step 5: Solve for x
    x = 27,376,689,377.67/189,547.98
  6. Step 6: Final answer
    x = 144,431.45

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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.