Home / 153,030.26-211,181.57-85,045.08

Finding the Fourth Proportional to 153,030.26, 211,181.57 and 85,045.08

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Solution

The fourth proportional to 153,030.26, 211,181.57 and 85,045.08 is: 117,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,030.26 : 211,181.57 = 85,045.08 : x
  2. Step 2: Convert to fraction form
    153,030.26/211,181.57 = 85,045.08/x
  3. Step 3: Cross multiply
    153,030.26x = 211,181.57 × 85,045.08
  4. Step 4: Simplify right side
    153,030.26x = 17,959,953,089.95
  5. Step 5: Solve for x
    x = 17,959,953,089.95/153,030.26
  6. Step 6: Final answer
    x = 117,362.11

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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.