Home / 191,013.51-286,519.95-50,772.15

Finding the Fourth Proportional to 191,013.51, 286,519.95 and 50,772.15

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Solution

The fourth proportional to 191,013.51, 286,519.95 and 50,772.15 is: 76,158.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,013.51 : 286,519.95 = 50,772.15 : x
  2. Step 2: Convert to fraction form
    191,013.51/286,519.95 = 50,772.15/x
  3. Step 3: Cross multiply
    191,013.51x = 286,519.95 × 50,772.15
  4. Step 4: Simplify right side
    191,013.51x = 14,547,233,879.39
  5. Step 5: Solve for x
    x = 14,547,233,879.39/191,013.51
  6. Step 6: Final answer
    x = 76,158.14

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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.