Home / 153,000.03-211,079.54-88,457.41

Finding the Fourth Proportional to 153,000.03, 211,079.54 and 88,457.41

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Solution

The fourth proportional to 153,000.03, 211,079.54 and 88,457.41 is: 122,036.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,000.03 : 211,079.54 = 88,457.41 : x
  2. Step 2: Convert to fraction form
    153,000.03/211,079.54 = 88,457.41/x
  3. Step 3: Cross multiply
    153,000.03x = 211,079.54 × 88,457.41
  4. Step 4: Simplify right side
    153,000.03x = 18,671,549,412.39
  5. Step 5: Solve for x
    x = 18,671,549,412.39/153,000.03
  6. Step 6: Final answer
    x = 122,036.25

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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.