Home / 112,547.02-155,362.71-70,126.51

Finding the Fourth Proportional to 112,547.02, 155,362.71 and 70,126.51

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Solution

The fourth proportional to 112,547.02, 155,362.71 and 70,126.51 is: 96,804.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,547.02 : 155,362.71 = 70,126.51 : x
  2. Step 2: Convert to fraction form
    112,547.02/155,362.71 = 70,126.51/x
  3. Step 3: Cross multiply
    112,547.02x = 155,362.71 × 70,126.51
  4. Step 4: Simplify right side
    112,547.02x = 10,895,044,636.44
  5. Step 5: Solve for x
    x = 10,895,044,636.44/112,547.02
  6. Step 6: Final answer
    x = 96,804.38

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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.