Home / 134,701.01-185,895.66-74,271.46

Finding the Fourth Proportional to 134,701.01, 185,895.66 and 74,271.46

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Solution

The fourth proportional to 134,701.01, 185,895.66 and 74,271.46 is: 102,499.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,701.01 : 185,895.66 = 74,271.46 : x
  2. Step 2: Convert to fraction form
    134,701.01/185,895.66 = 74,271.46/x
  3. Step 3: Cross multiply
    134,701.01x = 185,895.66 × 74,271.46
  4. Step 4: Simplify right side
    134,701.01x = 13,806,742,075.86
  5. Step 5: Solve for x
    x = 13,806,742,075.86/134,701.01
  6. Step 6: Final answer
    x = 102,499.17

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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.