Home / 153,364.03-211,638.24-85,381.01

Finding the Fourth Proportional to 153,364.03, 211,638.24 and 85,381.01

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Solution

The fourth proportional to 153,364.03, 211,638.24 and 85,381.01 is: 117,823.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,364.03 : 211,638.24 = 85,381.01 : x
  2. Step 2: Convert to fraction form
    153,364.03/211,638.24 = 85,381.01/x
  3. Step 3: Cross multiply
    153,364.03x = 211,638.24 × 85,381.01
  4. Step 4: Simplify right side
    153,364.03x = 18,069,886,685.82
  5. Step 5: Solve for x
    x = 18,069,886,685.82/153,364.03
  6. Step 6: Final answer
    x = 117,823.50

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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.