Home / 119,802.69-165,328.74-66,089.55

Finding the Fourth Proportional to 119,802.69, 165,328.74 and 66,089.55

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Solution

The fourth proportional to 119,802.69, 165,328.74 and 66,089.55 is: 91,204.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,802.69 : 165,328.74 = 66,089.55 : x
  2. Step 2: Convert to fraction form
    119,802.69/165,328.74 = 66,089.55/x
  3. Step 3: Cross multiply
    119,802.69x = 165,328.74 × 66,089.55
  4. Step 4: Simplify right side
    119,802.69x = 10,926,502,028.67
  5. Step 5: Solve for x
    x = 10,926,502,028.67/119,802.69
  6. Step 6: Final answer
    x = 91,204.15

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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.