Home / 153,045.90-211,120.16-97,752.06

Finding the Fourth Proportional to 153,045.90, 211,120.16 and 97,752.06

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Solution

The fourth proportional to 153,045.90, 211,120.16 and 97,752.06 is: 134,844.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,045.90 : 211,120.16 = 97,752.06 : x
  2. Step 2: Convert to fraction form
    153,045.90/211,120.16 = 97,752.06/x
  3. Step 3: Cross multiply
    153,045.90x = 211,120.16 × 97,752.06
  4. Step 4: Simplify right side
    153,045.90x = 20,637,430,058.77
  5. Step 5: Solve for x
    x = 20,637,430,058.77/153,045.90
  6. Step 6: Final answer
    x = 134,844.71

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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.