Home / 153,457.94-211,782.60-93,031.14

Finding the Fourth Proportional to 153,457.94, 211,782.60 and 93,031.14

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Solution

The fourth proportional to 153,457.94, 211,782.60 and 93,031.14 is: 128,389.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,457.94 : 211,782.60 = 93,031.14 : x
  2. Step 2: Convert to fraction form
    153,457.94/211,782.60 = 93,031.14/x
  3. Step 3: Cross multiply
    153,457.94x = 211,782.60 × 93,031.14
  4. Step 4: Simplify right side
    153,457.94x = 19,702,376,710.16
  5. Step 5: Solve for x
    x = 19,702,376,710.16/153,457.94
  6. Step 6: Final answer
    x = 128,389.43

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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.