Home / 121,124.04-181,715.14-38,018.04

Finding the Fourth Proportional to 121,124.04, 181,715.14 and 38,018.04

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Solution

The fourth proportional to 121,124.04, 181,715.14 and 38,018.04 is: 57,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,124.04 : 181,715.14 = 38,018.04 : x
  2. Step 2: Convert to fraction form
    121,124.04/181,715.14 = 38,018.04/x
  3. Step 3: Cross multiply
    121,124.04x = 181,715.14 × 38,018.04
  4. Step 4: Simplify right side
    121,124.04x = 6,908,453,461.13
  5. Step 5: Solve for x
    x = 6,908,453,461.13/121,124.04
  6. Step 6: Final answer
    x = 57,036.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.