Home / 110,455.36-152,296.48-90,237.76

Finding the Fourth Proportional to 110,455.36, 152,296.48 and 90,237.76

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Solution

The fourth proportional to 110,455.36, 152,296.48 and 90,237.76 is: 124,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,455.36 : 152,296.48 = 90,237.76 : x
  2. Step 2: Convert to fraction form
    110,455.36/152,296.48 = 90,237.76/x
  3. Step 3: Cross multiply
    110,455.36x = 152,296.48 × 90,237.76
  4. Step 4: Simplify right side
    110,455.36x = 13,742,893,211.08
  5. Step 5: Solve for x
    x = 13,742,893,211.08/110,455.36
  6. Step 6: Final answer
    x = 124,420.34

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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.