Home / 219,681.07-303,172.95-124,196.65

Finding the Fourth Proportional to 219,681.07, 303,172.95 and 124,196.65

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Solution

The fourth proportional to 219,681.07, 303,172.95 and 124,196.65 is: 171,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,681.07 : 303,172.95 = 124,196.65 : x
  2. Step 2: Convert to fraction form
    219,681.07/303,172.95 = 124,196.65/x
  3. Step 3: Cross multiply
    219,681.07x = 303,172.95 × 124,196.65
  4. Step 4: Simplify right side
    219,681.07x = 37,653,064,760.62
  5. Step 5: Solve for x
    x = 37,653,064,760.62/219,681.07
  6. Step 6: Final answer
    x = 171,398.77

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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.