Home / 153,325.63-211,587.74-85,341.52

Finding the Fourth Proportional to 153,325.63, 211,587.74 and 85,341.52

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Solution

The fourth proportional to 153,325.63, 211,587.74 and 85,341.52 is: 117,770.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,325.63 : 211,587.74 = 85,341.52 : x
  2. Step 2: Convert to fraction form
    153,325.63/211,587.74 = 85,341.52/x
  3. Step 3: Cross multiply
    153,325.63x = 211,587.74 × 85,341.52
  4. Step 4: Simplify right side
    153,325.63x = 18,057,219,344.96
  5. Step 5: Solve for x
    x = 18,057,219,344.96/153,325.63
  6. Step 6: Final answer
    x = 117,770.39

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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.