Home / 210,036.17-289,867.14-119,420.57

Finding the Fourth Proportional to 210,036.17, 289,867.14 and 119,420.57

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Solution

The fourth proportional to 210,036.17, 289,867.14 and 119,420.57 is: 164,810.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,036.17 : 289,867.14 = 119,420.57 : x
  2. Step 2: Convert to fraction form
    210,036.17/289,867.14 = 119,420.57/x
  3. Step 3: Cross multiply
    210,036.17x = 289,867.14 × 119,420.57
  4. Step 4: Simplify right side
    210,036.17x = 34,616,099,807.74
  5. Step 5: Solve for x
    x = 34,616,099,807.74/210,036.17
  6. Step 6: Final answer
    x = 164,810.18

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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.