Home / 116,065.04-160,110.80-75,802.38

Finding the Fourth Proportional to 116,065.04, 160,110.80 and 75,802.38

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Solution

The fourth proportional to 116,065.04, 160,110.80 and 75,802.38 is: 104,568.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,065.04 : 160,110.80 = 75,802.38 : x
  2. Step 2: Convert to fraction form
    116,065.04/160,110.80 = 75,802.38/x
  3. Step 3: Cross multiply
    116,065.04x = 160,110.80 × 75,802.38
  4. Step 4: Simplify right side
    116,065.04x = 12,136,779,703.70
  5. Step 5: Solve for x
    x = 12,136,779,703.70/116,065.04
  6. Step 6: Final answer
    x = 104,568.78

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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.