Home / 153,455.72-211,779.53-93,028.91

Finding the Fourth Proportional to 153,455.72, 211,779.53 and 93,028.91

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Solution

The fourth proportional to 153,455.72, 211,779.53 and 93,028.91 is: 128,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,455.72 : 211,779.53 = 93,028.91 : x
  2. Step 2: Convert to fraction form
    153,455.72/211,779.53 = 93,028.91/x
  3. Step 3: Cross multiply
    153,455.72x = 211,779.53 × 93,028.91
  4. Step 4: Simplify right side
    153,455.72x = 19,701,618,371.07
  5. Step 5: Solve for x
    x = 19,701,618,371.07/153,455.72
  6. Step 6: Final answer
    x = 128,386.34

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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.