Home / 153,455.51-211,779.25-93,028.70

Finding the Fourth Proportional to 153,455.51, 211,779.25 and 93,028.70

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Solution

The fourth proportional to 153,455.51, 211,779.25 and 93,028.70 is: 128,386.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,455.51 : 211,779.25 = 93,028.70 : x
  2. Step 2: Convert to fraction form
    153,455.51/211,779.25 = 93,028.70/x
  3. Step 3: Cross multiply
    153,455.51x = 211,779.25 × 93,028.70
  4. Step 4: Simplify right side
    153,455.51x = 19,701,547,552.46
  5. Step 5: Solve for x
    x = 19,701,547,552.46/153,455.51
  6. Step 6: Final answer
    x = 128,386.06

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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.