Home / 153,547.11-211,901.54-85,564.17

Finding the Fourth Proportional to 153,547.11, 211,901.54 and 85,564.17

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Solution

The fourth proportional to 153,547.11, 211,901.54 and 85,564.17 is: 118,082.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,547.11 : 211,901.54 = 85,564.17 : x
  2. Step 2: Convert to fraction form
    153,547.11/211,901.54 = 85,564.17/x
  3. Step 3: Cross multiply
    153,547.11x = 211,901.54 × 85,564.17
  4. Step 4: Simplify right side
    153,547.11x = 18,131,178,964.00
  5. Step 5: Solve for x
    x = 18,131,178,964.00/153,547.11
  6. Step 6: Final answer
    x = 118,082.19

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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.