Home / 152,465.09-210,421.60-92,069.87

Finding the Fourth Proportional to 152,465.09, 210,421.60 and 92,069.87

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Solution

The fourth proportional to 152,465.09, 210,421.60 and 92,069.87 is: 127,068.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,465.09 : 210,421.60 = 92,069.87 : x
  2. Step 2: Convert to fraction form
    152,465.09/210,421.60 = 92,069.87/x
  3. Step 3: Cross multiply
    152,465.09x = 210,421.60 × 92,069.87
  4. Step 4: Simplify right side
    152,465.09x = 19,373,488,074.91
  5. Step 5: Solve for x
    x = 19,373,488,074.91/152,465.09
  6. Step 6: Final answer
    x = 127,068.36

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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.