Home / 153,347.04-211,604.40-86,274.72

Finding the Fourth Proportional to 153,347.04, 211,604.40 and 86,274.72

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Solution

The fourth proportional to 153,347.04, 211,604.40 and 86,274.72 is: 119,050.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,347.04 : 211,604.40 = 86,274.72 : x
  2. Step 2: Convert to fraction form
    153,347.04/211,604.40 = 86,274.72/x
  3. Step 3: Cross multiply
    153,347.04x = 211,604.40 × 86,274.72
  4. Step 4: Simplify right side
    153,347.04x = 18,256,110,360.77
  5. Step 5: Solve for x
    x = 18,256,110,360.77/153,347.04
  6. Step 6: Final answer
    x = 119,050.95

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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.